Roof-jacket for ventilating-pipes.



H. P. WALLACE. ROOI1 JACKET FOR VENTILATING PIPES. APLIOATION FILED APB-f1.4, 1908. RENEW-ED APR. 22, 1909.

1,010, 100. Patented Nov,28,191'1.

HARRY P. WALLACE, OF MINNEAPOLIS, MINNESOTA.

ROOF-JACKET FOR VENTILATINGr-PIPES.

Application filed April 14, 1908, Serial No. 427,081.

Specification of Letters Patent.

Patented Nov. 2S. 1911.

Renewed April 22, 1909. Serial No'. 491,603.

To all whom it may concern.'

Be it known that LHARRY P. i/VALLACE, of Minneapolis, Hennepin county, Minnesota, have invented certain new and useful Improvements in Roof-Jackets for Ventilating-Pipes, of which the following is a specification.

The object of my invention is to provide an adjustable frost-proof jacket adapted to protect the exposed ends of the soil and Ventilating` pipes and prevent them from becoming filled with hoar frost and ice at the point where such pipes project above the roof.

A further objectl is to provide a jacket capable of adjustment to adapt it for the different degrees of pitch of the roofs where the device is used.

A further object is toprovide a ventilat' the ground whereby the inspector without' ascending to the roof can, after the 'system is tested, readily determine whether the plug has been removed from the Ventilating pipe or not.

A further object is to provide a ventilating pipe jacket capable of quick, convenient attachment and adjustment according to the distance the pipe projects above the roof.

' The invention consists generally in various constructions and combinations, all as hereinafter described and particularly pointed out in the claims.

In the accompanying drawings, forming part of this specification, Figure l is a sectional view of a ventilating pipe jacket em. bodying my invention. Fig. 2 is a sectional view on the line mof Fig. 1.' Fig. 3 is a detail View of the cap removed from the Ventilating pipe. Fig. 4 is a side elevation of the device. Fig. 5 is an end view.

In the drawing, 2 represents the roof of a building having an opening 3 therethrough.

4 is a Ventilating pipe connected with the soil pipe and extending up through the opening 3 above the roof of the building.

A casing incloses the opening 3 and consists of parallel side walls 5 and a curved wall 6 between them, the said casing being secured to the roof 2. A jacket 7 is fitted to this casing and adapted to move back and forth, it-s wall sliding on the casing 6 until the desired adjustment is obtained. An opening 8 isV provided in the jacket and a lower sleeve section 9 is fitted within said opening and projectsl upwardly therefrom. The desired adjustment of this pipe 9 is obtained by tilting the jacket forward or back on the casing 6. The pipe 9 is secured within the opening 8 and is of suflicient size to receive the upper end of the Ventilating pipe 4 and is spaced therefrom. An upper sleeve section l0 has an open lower end adapted to receive the section 9 and telescope therewith, and the upper end of the pipe 10 has an inwardly turned flange 11 provided with notches 12 upon opposite sides of the pipe. A cap 13 closesr the top of the sleeve section 10 and has a hub 14 which incloses the upper end of the pipe 4 and is provided with a shoulder 15 to rest on said pipe. Lugs 16 are formed on the flange 14 to pass through the notches 12, and when the cap is rotated to move in under the flange 11 and lock the cap on the sleeve 10. AIn the center of the cap I provide a disk 17 forming a testing plug united t-o the cap by a thin annular web 18. Theweb is usually formed by grooving the surface of the disk making a frangible section thereof which can be easily removed by the'blow of a hammer or with a chisel. This disk and frangible section thereof may be used in connection with other plumbing attachments or fittings where it is desired to temporarily seal a pipe opening. This vdisk carries a stud 19 that is preferably painted with some disn tinguishing color to' render it plainly visible at a distance. Generally, except where the testing plug is a considerable distance from the ground, the stud itself will be plainly visible and no distinguishing mark thereof will be necessary. When the work is completed and the system tested it is the duty of the plumber to remove the test plug `in the top of the Ventilating pipe. If this plug is notv removed the Ventilating pipe is obviously inoperative. Ordinarily it is necessary Vfor the inspector to ascend the roof and examine the pipe and make sure that the plumber has removed the plug. With this device the inspector can, without as# cending to the roof, easily determine whether the plug has been removed or not. To remove the disk from the cap it is Aonly necessary for the plumber to sever the web between the disky and cap when the disk and stud can be removed exposing the open end of the Ventilating pipe. This will complete the operation of installing the attachment.

The cap 13 temporarily closes the top of the soil or Ventilating pipe and has a calked joint 20 therewith and prevents any possibility 0f the sewer gas passing down around the pipe within the jacket and through the opening in the roof. With this device the upper exposed end-of the ventilating 0r soil pipe will be thoroughly protected in cold weather. The arrangement of the testing plug prevents all possibility of the Ventilating pipe being left closed by the plumber, and the arrangement of the cap calked on the upper end of the pipe provides a system of continuous iron piping to the outer air.

I claim as my invention:

1. The combination, with a roof, and a Ventilating pipe projecting therethrough, of a sleeve inclosing the open end of said pipe, and spaced therefrom and having an inwardly projecting flange and notches therein, a cap having a depending hub with lugs to enter said notches, said hub inclosing the upper end of said Ventilating pipe and said cap having a centrally arranged disk and a thin web uniting it to said cap and forming a test plug and said disk having an upwardly projecting stud provided with means for distinguishing it from a distance, substantially as described.

2. The combination, with a Ventilating pipe, of a cap having a depending hub inclosing said pipe, a sleeve inclosing said Ventilating pipe and spaced therefrom, said sleeve having an inwardly turned flange and notches therein, and said hub having lugs to pass through said notches and under the inwardly turned flange of said sleeve when said cap is rotated thereon, and said cap having a removable test plug, for the purpose specified.

3. The combination, with a Ventilating pipe, of a cap having a depending hub, a disk centrally arranged in said cap and having a comparatively thin web uniting it with said cap and provided with an upwardly projecting stud, said disk and stud forming a testing plug, and a sleeve inclosing said Ventilating pipe and-whereon said cap is mounted, substantially as described.

4. The combination, with a roof and a Ventilating pipe projecting therethrough, of a sleeve inclosing the open end of said pipe and spaced therefrom, a hub arranged to close the open end of said pipe, and said hub having a centrally arranged disk and a thin web uniting it to said hub and forming a test plug, said disk having an upwardly projecting stud that is visible from a distance, substantially as described.

5. The combination, with a Ventilating pipe and a sleeve inclosing the same, of a hub arranged to close the open end of said pipe, a disk centrally arranged in said hub and having a comparatively thin web uniting it with said hub and provided with an upwardly projecting stud, that is visible from a distance.

6. The combination, with a roof, of a Ventilating pipe projecting therethrough, a sleeve inclosing said pipe and spaced therefrom, a hub arranged to close the open end of said pipe, said hub having a removable disk thereon, and said disk having a stud projecting upwardly and provided with means for distinguishing it from a dista-nce, and said hub closing the joint between said pipe and the upper end of said sleeve, substantially as described.

7 The combination, with a roof, of a ventilating pipe projecting therethrough, a sleeve inclosing said pipe and spaced therefrom, a hub having a hermetically sealed joint with said pipe and provided with a disk having a projecting stud that is visible from a distance, substantially as described.

8. The combination, with a roof, of a` ventilating pipe projecting therethrough, a sleeve inclosing said pipe and spaced therefrom, a hub having a hermetically sealed joint with the outer end of said pipe and with said sleeve, and a comparatively thin integral disk temporarily closing the open end of said hub and pipe, said disk having a projecting stud thereon that is visible from a distance.

9'. The combination, with a roof, of a ventilating pipe projecting therethrough, a sleeve composed of telescoping sections inclosing said vVentilating pipe and spaced therefrom, the telescoping character of said sleeve permitting one section to be adjusted so that its outer end will be properly located with respect to the corresponding end of said Ventilating pipe, a hub having a tight joint with said pipe and with a sleeve section, and a comparatively thin disk formed integrally with said hub and temporarily closing the open end thereof, said disk being capable of convenient removal from said hub and having an upwardly projecting stud that is visible from a distance.

l0. The combination, with a roof, of a Ventilating pipe projecting therethrough, a casing mounted on said roof and inclosing said pipe, said casing having curved upper walls, a jacket mounted on said walls and adapted to slide thereon in the arc of a circle, said jacket having an opening therethrough to receive said Ventilating pipe, a sleeve carried by said jacket and inclosing said pipe and spaced therefrom, a hub having a close joint with the open end of Said pipe and with the corresponding end of said sleeve, and a disk carried by said hub and having an upwardly projecting stud.

11. A fitting consisting of a segment of a pipe adapted at one of its ends to be attached to a second pipe and having at its opposite end an external flange for attachment to a coperating member, and a frangible plate closing the flanged end of the i'itting.

12. A fitting consisting of a segment of a pipe adapted at one of its ends to be at-r tached to a second pipe and having at its opposite end an external ange for attachment to a coperating member, a frangible plate closing the flanged end of the fitting and means mounted on said plate and visible from adistance.

13. The combination, with a Ventilating pipe and a sleeve inclosing the same, of a hub arranged to close the open end of said pipe, and a disk mounted in said hub and having a frangible section.

14. The combination, With a roof, of a Ventilating pipe projecting therethrough, a sleeve inclosing said pipe and spaced therefrom, a hub having a hermetically sealed joint with said pipe and With said sleeve and provided With a frangible disk.

15. The combination, With a roof, of a Ventilating pipe projecting therethrough, a sleeve inclosing said pipe and spaced therefrom, a hub having a hermetically sealed joint With said pipe and With saidsleeve and provided With a rangible disk having a projecting indicating means.

16. The combination, With a roof, of a Ventilating pipe projecting therethrough, a hub having a hermetically sealed joint With said pipe and provided With a disk having a projecting stud that is visible from a distance, for the purpose specied.

In Witness whereof, I have hereunto set my hand this 28th day of March, 1908.

HARRY P. WALLACE.

Witnesses:

RICHARD PAUL, J. A. BYINGTON.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents, Washington, D. C. 

